NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

Edgemoor Investment Advisors, Inc.'s Holding History (CIK: 0001313792)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 147,654 Value ($000) $11,296 Avg Close — Range —
Q2 2014
Shares 147,383 Value ($000) $12,145 Avg Close — Range —
Q1 2014
Shares 139,857 Value ($000) $10,891 Avg Close — Range —
Q4 2013
Shares 125,682 Value ($000) $9,995 Avg Close — Range —
Q3 2013
Shares 117,368 Value ($000) $9,168 Avg Close — Range —
Q2 2013
Shares 103,783 Value ($000) $7,151 Avg Close — Range —